一、Ought to表示应该。如：1.You ought to take care of him.你应该照顾他。2.You ought to scrap the old bike and buy a new one.你应该扔掉这辆旧自行车，买一辆新的。3.You ought to have a ha...
一、Used to表示过去的习惯动作或状态，现在已不存在，在间接引语中，其形式可不变。如：1.He told us he used to play football when he was young.他告诉我们他年轻时经常踢足球。2.I weigh less than I used to.我的体重...
一、Had better意为“最好”，后接不带to的不定式。如：1.— We had better go now.— Yes,we had (we'd better / we had better).我们最好现在走------是的。2.Hadn't we better stop no...
一、Should表示义务、责任、劝告、建议，其同义词是ought to；在疑问句中，通常用should代替ought to.例如：You should go to class right away.你应该马上去上课。Should I open the window?我能打开窗户吗？二、Should的...
情态动词还有一个很重要的用法，即情态动词表推测——一、情态动词表推测的三种句式1．在肯定句中一般用must （一定），can,could（可能），might /may（也许，或许）。(1)He must/can/may,might know the answer to this question.他...
一、need表示“需要”或“必须”，作情态动词时，仅用于否定句或疑问句中，在肯定句中一般用must,have to,ought to，或should代替。多用在否定式或疑问句中.1.Need I attend the meeting tomorrow?我需要明天参加会议吗?2.You need no...
情态动词will和would在英语语法中所表达的意思几乎相同，但是，在具体应用中还是有一定区别的：1、表示请求、建议等，would比will委婉客气。如：Would you pass me the book?2、表示意志、愿望和决心。如：I will never do that again.我再也不...
独立主格，简单地说，就是“句子中充当状语成分的简单主谓结构”。我们都知道，在英语中，主谓构成一个句子而在“独立主格”当中，也是由主谓构成，只是其谓语动词被称为非谓语动词，分别是“不定式，现在分词，过去分词”，有的情况，独立主格的谓语还可以是“形容词，副词，名词，或介词短语”。今天我们就先来看看构成独...
1．He asked me _____ during the summer holidays. A. where I had been B. where I had gone C. where had I been D. where had I gone 2. What ____ Jane...
1. We _____________ (paint) the house before we ______________ (move) in. 2. That rich old man _____________ (make) a will before he _____________ (di...